72 degrees
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Answer:
60 cubes
Step-by-step explanation:
10 times 6
6 are in each layer but there are 12 going down layer by layer
so 10 times 6 equal 60
the actuall answer is 60
= 60
It's not 'A'.
All the angles on the same side of a straight line
have to add up to 180°.
With that hint, you can do it now.